Just need help with 4,6, 7b and 9 thanks!!!

the general ledger of the Karlin Company, a consulting company, at January 1, 2021, contained the following account balances:

Account Title	Debits		Credits
Cash	31,100
Accounts receivable	14,000
Equipment	23,000
Accumulated depreciation			6,900
Salaries payable			8,000
Common stock			45,000
Retained earnings			8,200
Total	68,100		68,100

4.Prepare an unadjusted trial balance. 6. Prepare an adjusted trial balance. 7-b. Prepare a balance sheet as of December 31, 2021. 9. Prepare a post-closing trial balance.

The following is a summary of the transactions for the year:

1. Service revenue, $118,000, of which $35,400 was on account and the balance was received in cash.
2. Collected on accounts receivable, $24,400.
3. Issued shares of common stock in exchange for $12,000 in cash.
4. Paid salaries, $43,000 (of which $8,000 was for salaries payable at the end of the prior year).
5. Paid miscellaneous expense for various items, $23,200.
6. Purchased equipment for $14,000 in cash.
7. Paid $2,850 in cash dividends to shareholders.

1. Accrued salaries at year-end amounted to $860.
2. Depreciation for the year on the equipment is $2,300.